−19−1,6y=34,9+3,3y
−19−1,6y-3,3y=34,9
−1,6−3,3y=34,9+19
4,9y=34,9+19
-4,9y=53,9
y=-11
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−19−1,6y=34,9+3,3y
−19−1,6y-3,3y=34,9
−1,6−3,3y=34,9+19
4,9y=34,9+19
-4,9y=53,9
y=-11